ceph/src/boost/libs/units/test/test_implicit_conversion.cpp

   1 // Boost.Units - A C++ library for zero-overhead dimensional analysis and
   2 // unit/quantity manipulation and conversion
   3 //
   4 // Copyright (C) 2003-2008 Matthias Christian Schabel
   5 // Copyright (C) 2008 Steven Watanabe
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See
   8 // accompanying file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10
  11 /**
  12 \file
  13
  14 \brief test_implicit_conversion.cpp
  15
  16 \details
  17 Test implicit conversions for quantity.
  18
  19 Output:
  20 @verbatim
  21 @endverbatim
  22 **/
  23
  24 #include <boost/core/lightweight_test.hpp>
  25
  26 #include <boost/units/static_constant.hpp>
  27 #include <boost/units/quantity.hpp>
  28 #include <boost/units/systems/si.hpp>
  29 #include <boost/units/systems/cgs.hpp>
  30
  31 namespace bu = boost::units;
  32
  33 int main()
  34 {
  35     //// si->si always true
  36     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::length_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true));
  37     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::mass_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true));
  38     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::time_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true));
  39     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::current_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true));
  40     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::temperature_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true));
  41     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::amount_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true));
  42     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::luminous_intensity_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true));
  43     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::plane_angle_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true));
  44     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::solid_angle_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true));
  45
  46     //// cgs->cgs always true
  47     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::length_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true));
  48     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::mass_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true));
  49     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::time_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true));
  50     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::current_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true));
  51     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::temperature_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true));
  52     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::amount_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true));
  53     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::luminous_intensity_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true));
  54     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::plane_angle_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true));
  55     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::solid_angle_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true));
  56
  57     //// si->cgs
  58     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::length_base_dimension,bu::si::system_tag,bu::cgs::system_tag>::value == false));
  59     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::mass_base_dimension,bu::si::system_tag,bu::cgs::system_tag>::value == false));
  60     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::time_base_dimension,bu::si::system_tag,bu::cgs::system_tag>::value == true));
  61
  62     BOOST_TEST((bu::is_implicitly_convertible<bu::si::length,bu::cgs::length>::value == false));
  63     BOOST_TEST((bu::is_implicitly_convertible<bu::si::mass,bu::cgs::mass>::value == false));
  64     BOOST_TEST((bu::is_implicitly_convertible<bu::si::time,bu::cgs::time>::value == true));
  65
  66     BOOST_TEST((bu::is_implicitly_convertible<bu::si::acceleration,bu::cgs::acceleration>::value == false));
  67     BOOST_TEST((bu::is_implicitly_convertible<bu::si::area,bu::cgs::area>::value == false));
  68     BOOST_TEST((bu::is_implicitly_convertible<bu::si::energy,bu::cgs::energy>::value == false));
  69     BOOST_TEST((bu::is_implicitly_convertible<bu::si::force,bu::cgs::force>::value == false));
  70     BOOST_TEST((bu::is_implicitly_convertible<bu::si::frequency,bu::cgs::frequency>::value == true));
  71     BOOST_TEST((bu::is_implicitly_convertible<bu::si::mass_density,bu::cgs::mass_density>::value == false));
  72     BOOST_TEST((bu::is_implicitly_convertible<bu::si::momentum,bu::cgs::momentum>::value == false));
  73     BOOST_TEST((bu::is_implicitly_convertible<bu::si::power,bu::cgs::power>::value == false));
  74     BOOST_TEST((bu::is_implicitly_convertible<bu::si::pressure,bu::cgs::pressure>::value == false));
  75     BOOST_TEST((bu::is_implicitly_convertible<bu::si::velocity,bu::cgs::velocity>::value == false));
  76     BOOST_TEST((bu::is_implicitly_convertible<bu::si::wavenumber,bu::cgs::wavenumber>::value == false));
  77
  78     //// cgs->si
  79     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::length_base_dimension,bu::cgs::system_tag,bu::si::system_tag>::value == false));
  80     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::mass_base_dimension,bu::cgs::system_tag,bu::si::system_tag>::value == false));
  81     //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::time_base_dimension,bu::cgs::system_tag,bu::si::system_tag>::value == true));
  82
  83     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::length,bu::si::length>::value == false));
  84     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::mass,bu::si::mass>::value == false));
  85     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::time,bu::si::time>::value == true));
  86
  87     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::acceleration,bu::si::acceleration>::value == false));
  88     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::area,bu::si::area>::value == false));
  89     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::energy,bu::si::energy>::value == false));
  90     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::force,bu::si::force>::value == false));
  91     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::frequency,bu::si::frequency>::value == true));
  92     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::mass_density,bu::si::mass_density>::value == false));
  93     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::momentum,bu::si::momentum>::value == false));
  94     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::power,bu::si::power>::value == false));
  95     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::pressure,bu::si::pressure>::value == false));
  96     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::velocity,bu::si::velocity>::value == false));
  97     BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::wavenumber,bu::si::wavenumber>::value == false));
  98
  99     BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::si::time>    S1(2.0*bu::si::seconds);
 100     BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::cgs::time>   S2 = S1;
 101
 102     BOOST_TEST((S1.value() == S2.value()));
 103
 104     BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::si::catalytic_activity>  S3(2.0*bu::si::catalytic_activity());
 105
 106
 107     BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::cgs::time>   C1(2.0*bu::cgs::seconds);
 108     BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::si::time>    C2 = C1;
 109
 110     BOOST_TEST((C1.value() == C2.value()));
 111
 112     return boost::report_errors();
 113 }